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CVE-2021-40106
Good to know:
Date: September 27, 2021
An issue was discovered in Concrete CMS through 8.5.5. There is unauthenticated stored XSS in blog comments via the website field.
Language: PHP
Severity Score
Severity Score
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Top Fix
Upgrade Version
Upgrade to version concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/postcss-and-vue-loader-8.4.31;concrete5/concrete5 - dev-release/8.5.5;concrete5/concrete5 - dev-feature/composer-php8-support;concrete5/concrete5 - dev-8.4.x-dev;concrete5/concrete5 - dev-release/8.5.4;concrete5/concrete5 - dev-release/8.5.1;concrete5/concrete5 - dev-release/8.5.3;concrete5/concrete5 - dev-allow-install-php-8.2
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | NONE |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | NETWORK |
| Access Complexity (AC): | MEDIUM |
| Authentication (AU): | NONE |
| Confidentiality (C): | NONE |
| Integrity (I): | PARTIAL |
| Availability (A): | NONE |
| Additional information: |